PIONEER GM-D1004 GM Digital Series Slim Compact 400-Watt 4-Channel Class FD Amp

The GM-D1004 4-channel amplifier powers your front and rear speakers with a total of 400 watts (maximum power), which is nearly three times the power of a typical factory radio or aftermarket receiver. This compact amplifier allows you to amplify 4, 3, or 2 speakers by bridging or not bridging the outputs, resulting in available power of 4x 45 watts RMS at 4 ohms or 90 watts RMS when bridged. This amplifier runs so efficiently that it can often draw power from the same circuit as your receiver. Its tiny size accommodates installations almost anywhere, even behind the dash in many vehicles. Its compact, energy-efficient design and high-voltage compatibility ensure effortless installation in virtually any vehicle, making it the ultimate choice for those seeking performance and versatility.